Intrametatarsal

Stress fracture of the MT-V, located in the metaphyseal-diaphyseal junction also called zone 2; or just distally from the intrametatarsal joint (MT-IV/MT-V) in the proximal diaphysis also called zone 3 [ 45 ], with sclerosis seen on both fracture sides Skeletally mature Subjects will be excluded from this trial if they meet any of the following criteria: Expected non-compliance; patients who are unable to fill out questionnaires Cavovarus deformity of the foot as measured on the Salzmann view Current participation in another clinical trial Suffering from auto-immune disease Receiving biologicals, prednisolone or some kind of chemotherapy within the previous year Concomitant painful or disabling disease of the lower limb No informed consent Females being pregnant or nursing Known active malignancy Previous surgery for the present MT-V stress fracture The bone marrow required for the cB + cBMA treatment will be harvested from patient’s own iliac crest through needle aspiration.